This is primarily a bugfix release, but includes a few new features as well.
Read the announcement on our blog, or go straight to the download page for the binary builds.
Rendering
- Add High Dynamic Range filter with ACES tone mapping to CommonFilters
- Add sRGB filter to CommonFilters (to be used as fallback to framebuffer-srgb)
- Fix (shadow) buffer no longer working after host buffer is destroyed (#890)
- Fix rare bug with shader parameters not being set right across render passes
- Fog density passed to shader now defaults to 0 when no fog is applied
- Don't check sampler/light type mismatch for non-shadow-casting lights (#942)
- Shader generator now makes use of Material alpha values if present (#912)
- Support sRGB textures and framebuffers in OpenGL ES 2 renderer
Asset Loading
- Egg files can now be loaded with sRGB texture formats automatically
- Fix maya2egg regression not creating animations properly (#1004)
- Fix FMOD issue reading sounds from read-write-opened multifiles (#1002)
Stability
- Fix faulty collision detection when sphere is under polygon (#907)
- Fix PStats misreporting an exploding number of RenderState/TransformState
- Fix memory leak when removing a task that is awaiting a non-Panda future
- Optimize RenderState cache for case where texture is replaced repeatedly
- PNMImage add_sub_image() / mult_sub_image() now properly adds offset (#903)
- Fix some ServerRepository issues in Python 3
- Fix has_tags() still returning true after clearing all Python tags (#936)
- Fix crash in BitArray.has_any_of()
- Fix errors in PythonUtil.detectLeaks() and PythonUtil.report()
- Fix runtime error during ControlManager deletion (#884)
- Some error messages in nativenet are changed to debug messages
- Fix TexMemWatcher crash when graphics memory reaches 1 GB (#975)
- Fix a Triangulator crash dealing with certain invalid polygons (#985)
- Fix in
MultiplexStreamBuf::Output::write_string()(#902) - Fix a buffer overrun on FreeBSD when extracting very long command-line args
Input and Windowing
- M_confined mouse mode on Windows now confines mouse to client rectangle
- Fix incorrect handling of shift modifier on macOS (#959)
- Fix erroneous dpad_*-up events when emulating a dpad on Linux (#973)
- Fix tab handling in DirectEntry with certain versions of Windows CRT (#994)
- Fix parented window receiving WS_POPUP style on Windows (#915)
Deployment
- macOS app bundle now performs chdir into Resources folder upon launch
- No longer defaults to FMOD audio on macOS unless FMOD is explicitly bundled
- Improvements to Config.prc handling (strip comments, sort files, etc.)
- Line buffering is now used on Windows when writing to log files (#947)
- stdout/stderr output streams are now flushed on exit (#946)
- Build paths are now properly stripped from compiled Python code (#991)
- Update to support a change in location of numpy/Pillow libraries (#914)
- Fix libffi-7.dll not being included in official wheels
- PYTHONINSPECT mechanism is no longer enabled when building with optimizations
- A few unnecessary warning messages are squelched
- Windows builds now include previously missing CRT dlls
API
- Add pickle support to Datagram class
- Unexpose a crashing CollisionPolygon constructor and method (#908)
- FilterManager has new parameter to control framebuffer clamping
- Add snake_case aliases for functions in DirectGuiGlobals
- Global delete operator is now safe to call with a null pointer
- Improvements to API reference documentation
Build
- Fix issues building with development versions Python 3.9 and 3.10
- Fix an ABI incompatibility issue with MouseWatcher in NDEBUG builds
- Fix incorrect NaN/inf detection in double-precision release builds (#987)
- interrogate C++ parser supports arbitrary constant expressions in bitfields
- interrogate C++ parser supports sizeof with constant expression